d3 is pleased to announce the d3 natural systems exhibition, in association with grace gallery at CUNY - new york city college of technology. winning and selected submissions will be displayed from the 2009 competition. d3 will host an opening reception on thursday, october 15 from 7pm to 9pm. grace gallery is located at 300 jay street, namm hall, 11th floor, in brooklyn. please join us then.